If you are looking for monitoring that combines phenomenal resolution with greater LF headroom, then the twin cabinet IB2S XBD-AII is the perfect solution. Specifically designed for high-end reference monitoring and mastering applications, this superlative system incorporates a single-driver XBD bass cabinet that adds +3dB of LF headroom to deliver a smoother response and allows users to drive even larger rooms. It also offers analogue and AES digital inputs with a flat response down to 20Hz.